package core;

public interface Action {
    /**
     * This determines the value of an operation, i.e +,-,/,etc.
     * An example operation would be a^b. Note that b comes last despite being the first operation
     * @param b the second value to be used
     * @param a the first value used
     * @return The resultant value
     *
     * */
    public double value(double b, double a);
}
